[U-Boot] [PATCH 1/1] sunxi: R40: add support for gigabit ethernet
Lothar Felten
lothar.felten at gmail.com
Thu Apr 12 18:19:03 UTC 2018
This patch adds support for the gigabit interface found on the
Allwinner R40/V40 CPU.
It does not support the 100Mbit interface (EMAC).
Fixes:
- add GMAC gating clock and reset control
- GPIO mux settings
- device tree entries
Tested on BananaPi M2 Berry (R40), custom board (V40).
Signed-off-by: Lothar Felten <lothar.felten at gmail.com>
---
arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts | 14 ++++++++++
arch/arm/dts/sun8i-r40.dtsi | 37 +++++++++++++++++++++++++++
arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 10 +++++++-
board/sunxi/gmac.c | 5 +++-
configs/Bananapi_M2_Ultra_defconfig | 4 +++
drivers/net/sun8i_emac.c | 2 ++
6 files changed, 70 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
index ab471ab0bf..25f2112fbf 100644
--- a/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -67,3 +67,17 @@
pinctrl-0 = <&uart0_pb_pins>;
status = "okay";
};
+
+&gmac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_pins_rgmii>;
+ status = "okay";
+ phy-handle = <&rgmii_phy>;
+};
+
+&mdio {
+ rgmii_phy: ethernet-phy at 1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ };
+};
diff --git a/arch/arm/dts/sun8i-r40.dtsi b/arch/arm/dts/sun8i-r40.dtsi
index 48ec2e855a..93bf811014 100644
--- a/arch/arm/dts/sun8i-r40.dtsi
+++ b/arch/arm/dts/sun8i-r40.dtsi
@@ -114,6 +114,12 @@
#size-cells = <1>;
ranges;
+ syscon: syscon at 1c00000 {
+ compatible = "allwinner,sun8i-r40-system-controller",
+ "syscon";
+ reg = <0x01c00000 0x1000>;
+ };
+
pio: pinctrl at 1c20800 {
compatible = "allwinner,sun8i-r40-pinctrl";
reg = <0x01c20800 0x400>;
@@ -126,6 +132,15 @@
#interrupt-cells = <3>;
#gpio-cells = <3>;
+ gmac_pins_rgmii: gmac_rgmii {
+ pins = "PA0", "PA1", "PA2",
+ "PA3", "PA4", "PA5", "PA6",
+ "PA7", "PA8", "PA10",
+ "PA11", "PA12", "PA13",
+ "PA15", "PA16";
+ function = "gmac";
+ };
+
i2c0_pins: i2c0_pins {
pins = "PB0", "PB1";
function = "i2c0";
@@ -159,6 +174,28 @@
#size-cells = <0>;
};
+ gmac: ethernet at 01c50000 {
+ compatible = "allwinner,sun8i-h3-emac";
+ syscon = <&syscon>;
+ reg = <0x01c50000 0x2000>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ clocks = <&osc24M>, <&osc24M>;
+ clock-names = "stmmaceth", "allwinner_gmac_tx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_pins_rgmii>;
+ phy-mode = "rgmii";
+ status = "disabled";
+
+ mdio: mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dwmac-mdio";
+ };
+ };
+
gic: interrupt-controller at 1c81000 {
compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
reg = <0x01c81000 0x1000>,
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index d35aa479f7..5af8c64fa2 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -61,7 +61,11 @@ struct sunxi_ccm_reg {
u32 reserved11;
u32 sata_clk_cfg; /* 0xc8 SATA clock control (R40 only) */
u32 usb_clk_cfg; /* 0xcc USB clock control */
- u32 gmac_clk_cfg; /* 0xd0 GMAC clock control */
+#ifndef CONFIG_MACH_SUN8I_R40
+ u32 gmac_clk_cfg; /* 0xd0 GMAC clock control (not for R40) */
+#else
+ u32 cir0_clk_cfg; /* 0xd0 CIR0 clock control (R40 only) */
+#endif
u32 reserved12[7];
u32 mdfs_clk_cfg; /* 0xf0 MDFS clock control */
u32 dram_clk_cfg; /* 0xf4 DRAM configuration clock control */
@@ -104,7 +108,11 @@ struct sunxi_ccm_reg {
u32 mtc_clk_cfg; /* 0x158 MTC module clock */
u32 mbus0_clk_cfg; /* 0x15c MBUS0 module clock */
u32 mbus1_clk_cfg; /* 0x160 MBUS1 module clock */
+#ifndef CONFIG_MACH_SUN8I_R40
u32 reserved16;
+#else
+ u32 gmac_clk_cfg; /* 0x164 GMAC clock control (only R40) */
+#endif
u32 mipi_dsi_clk_cfg; /* 0x168 MIPI DSI clock control */
u32 mipi_csi_clk_cfg; /* 0x16c MIPI CSI clock control */
u32 reserved17[4];
diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
index 826650c89b..b2ede37dc3 100644
--- a/board/sunxi/gmac.c
+++ b/board/sunxi/gmac.c
@@ -13,7 +13,10 @@ void eth_init_board(void)
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
/* Set up clock gating */
-#ifdef CONFIG_SUNXI_GEN_SUN6I
+#if defined(CONFIG_MACH_SUN8I_R40)
+ setbits_le32(&ccm->ahb_reset1_cfg, 0x1 << AHB_RESET_OFFSET_GMAC);
+ setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
+#elif defined(CONFIG_SUNXI_GEN_SUN6I)
setbits_le32(&ccm->ahb_reset0_cfg, 0x1 << AHB_RESET_OFFSET_GMAC);
setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_GMAC);
#else
diff --git a/configs/Bananapi_M2_Ultra_defconfig b/configs/Bananapi_M2_Ultra_defconfig
index 37cc2df5dc..e4e943dc49 100644
--- a/configs/Bananapi_M2_Ultra_defconfig
+++ b/configs/Bananapi_M2_Ultra_defconfig
@@ -17,3 +17,7 @@ CONFIG_AXP_DLDO4_VOLT=2500
CONFIG_AXP_ELDO3_VOLT=1200
CONFIG_SCSI=y
CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
+CONFIG_SUN8I_EMAC=y
+CONFIG_RGMII=y
+CONFIG_SUN7I_GMAC=y
+CONFIG_MACPWR="PA17"
diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index b6e5dafe83..0cb1a697f3 100644
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -68,6 +68,8 @@
#if defined(CONFIG_MACH_SUNXI_H3_H5)
#define SUN8I_GPD8_GMAC 2
+#elif defined(CONFIG_MACH_SUN8I_R40)
+#define SUN8I_GPD8_GMAC 5
#else
#define SUN8I_GPD8_GMAC 4
#endif
--
2.14.1
More information about the U-Boot
mailing list